<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .inner {
            margin: 0px 200px
        }
        .inner .header{
            height: 80px;
            /* background-color: beige; */
            margin-bottom: 10px;
        }
        .inner .header .logo{
            float: left;
            background-color: gray;
            width: 200px;
            height: 80px;
            margin-left: 10px;
        }
        .inner .header .right{
            float: right;
            /* background-color: gray; */
            width: 1200px;
            height: 80px;
            margin-right: 10px;
        }
        .inner .header .right .top{
            float: right;
            background-color: red;
            width: 100px;
            height: 40px;
        }
        .inner .header .right .bottom{
            float: right;
            background-color: olive;
            width: 1200px;
            height: 40px;
        }
        .inner .main{
            height: 700px;
            background-color: gold;
        }
        .inner .footer{
            height: 50px;
            margin-top: 10px;
            background-color: aquamarine;
        }
    </style>
</head>
<body>
    <div class="inner">
        <div class="header">1
            <div class="logo">4</div>
            <div class="right">5
                <div class="top">6</div>
                <div class="bottom">7</div>
            </div>
        </div>
        <div class="main">2</div>
        <div class="footer">3
        </div>
    </div>
</body>
</html>